isRGB48          1434 libswscale/swscale_unscaled.c     } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
isRGB48          1443 libswscale/swscale_unscaled.c     } else if (isRGB48(srcFormat) && isRGBA64(dstFormat)) {
isRGB48          1460 libswscale/swscale_unscaled.c     } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {